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bq40z60
SLUSAW3C –DECEMBER 2014–REVISED JULY 2015
bq40z60 Programmable Battery Management Unit
1 Features • N-FET High-Side Protection FET Drive
• Support for Four LEDs
1
• Fully Integrated 2-Series to 4-Series Cell Li-Ion or
Li-Polymer Battery Management Unit
• Thermistor inputs for NTC
• Input Voltage Range on Pack+: 2.5 V to 25 V
• Compact 32-Pin QFN Package (RHB)
• Battery Charger Efficiency > 92%
2 Applications
• Battery Charger Operation Range: 4 V to 25 V
• Notebooks, Ultrabooks, Netbooks, Tablets,
• Battery Charger, 1-MHz Synchronous Buck
UMPCs
Controller for External NFETs
• Medical and Test Equipment
– Soft Start to Limit In-Rush Current
• Portable Instrumentation
– Current Limit Protection for External Switches
– Programmable Charging
3 Description
– Supports JEITA/Enhanced Charging Modes
The Texas Instruments bq40z60 device is a
• Fuel Gauging
Programmable Battery Management Unit that
integrates battery charging control output, gas
– High Resolution 16-Bit Integrator for Coulomb
gauging, and protection for completely autonomous
Counter
operation of 2-series to 4-series cell Li-Ion and Li-
– ADC, 16-Bit for Precision V, I, and T
Polymer battery packs. The architecture enables
Measurements with 16-Channel Multiplexer
internal communication between the fuel gauging
– Support for Simultaneous CC and ADC
processor and battery charger controller to optimize
Sampling (Power Conversion)
the charging profile based on the external load
conditions and power path source management
– Supports Two-Wire SMBus v2.0 Interface with
during load transients and adaptor current limitations
Accelerated 400-kHz Programming Option
in the system. The charging current efficiency is
– SHA-1 Hash Message Authentication Code
scalable for power transfer based on the external
(HMAC) Responder for Increased Battery Pack
components, such as the NFETs, inductor, and
Security
sensing resistor.
– Split Key (2 × 64) Stored in Secure Memory
Device Information
(1)
– Supports Field Updates
PART NUMBER PACKAGE BODY SIZE (NOM)
• AFE Protection
bq40z60 VQFN (32) 5.00 mm × 5.00 mm
– Programmable Current Protection
(1) For all available packages, see the orderable addendum at
– Overcurrent in Discharge
the end of the data sheet.
– Short-Circuit Current in Charge
– Short-Circuit Current in Discharge
4 Simplified Schematic
1
An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,
intellectual property matters and other important disclaimers. PRODUCTION DATA.
Verzeichnis
- ・ Konfiguration des Pinbelegungsdiagramms on Seite 4 Seite 5 Seite 28
- ・ Abmessungen des Paketumrisses on Seite 42 Seite 44 Seite 45
- ・ Markierungsinformationen on Seite 42
- ・ Blockdiagramm on Seite 1 Seite 21 Seite 32
- ・ Typisches Anwendungsschaltbild on Seite 32 Seite 33
- ・ Technische Daten on Seite 6
- ・ Anwendungsbereich on Seite 1 Seite 32 Seite 33 Seite 49
